sIDMG: small-size intrusion detection model generation of complimenting decision tree classification algorithm

  • Authors:
  • Seung-Hyun Paek;Yoon-Keun Oh;Do-Hoon Lee

  • Affiliations:
  • National Security Research Institute, Daejeon, Korea;National Security Research Institute, Daejeon, Korea;National Security Research Institute, Daejeon, Korea

  • Venue:
  • WISA'06 Proceedings of the 7th international conference on Information security applications: PartI
  • Year:
  • 2006

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Abstract

Most of researches for intrusion detection model using data mining technology have been dedicated to detection accuracy improvement. However, the size of intrusion detection model (e.g. detection rules) is as important as detection accuracy. In this paper, a method sIDMG is proposed for small-size intrusion detection model generation by using our classification algorithm sC4.5. We also propose an algorithm sC4.5 for small-size decision tree induction for a specific data by complimenting the split-attribute selection criteria of C4.5 during the tree induction. The approach of sC4.5 is to select the next highest gain ratio attribute as the split attribute if the training data set is satisfied with bias properties of C4.5. The results of performance evaluation gives that sC4.5 preserves detection accuracy of C4.5 but the decision tree size of sC4.5 is smaller than the existing C4.5.